April 17, 2013, 11:00 AM — Here's a neat keyboard shortcut that will let you drag windows that are covered by other windows in OS X. This won't move the window you are dragging to the foreground, so it's quite useful if a window is partially obscured by another window.
1. Hold down the Command key.
2. Drag the window you want to move.
For more, see the original article at the link below.